now go to the computer with it connected to by USB eg 1)go to system find printing open it up .2)click on the sever tab at the top ,choose settings 3)now tick show printers connect by other systems 4) publish printers shared by this system also by the Internet (top3)

For the computer(s) not connect to the print by usb ega) publish printers shared by this system also by the Internet (top3)on both pc's 1)open up firefox go : http://localhost:631/admin/2)click added printer if it ask for a username it is yours .3) add you printer